Porosity Apparatus

Porosity Apparatus

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Description
This porosity apparatus--also known as a filter (or filtering) cup--showed that, with sufficient pressure, mercury can be forced through wood. This example was purchased from Fortin & Hermann, in Paris, in 1830, for the use of cadets at the U.S. Military Academy.
Location
Currently not on view
Object Name
porosity apparatus
Measurements
overall: 4 3/4 in x 2 1/2 in; 12.065 cm x 6.35 cm
overall: 4 3/4 in x 2 1/2 in; 12.065 cm x 6.35 cm
ID Number
PH.315753
catalog number
315753
accession number
217544
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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